425203087 has 4 divisors (see below), whose sum is σ = 435573936. Its totient is φ = 414832240.

The previous prime is 425203081. The next prime is 425203111. The reversal of 425203087 is 780302524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425203087 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425203081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5185363 + ... + 5185444.

It is an arithmetic number, because the mean of its divisors is an integer number (108893484).

Almost surely, 2^425203087 is an apocalyptic number.

425203087 is a deficient number, since it is larger than the sum of its proper divisors (10370849).

425203087 is a wasteful number, since it uses less digits than its factorization.

425203087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10370848.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 425203087 is about 20620.4531230524. The cubic root of 425203087 is about 751.9670362182.

The spelling of 425203087 in words is "four hundred twenty-five million, two hundred three thousand, eighty-seven".